Qin Yun Law Firm is an established law firm that has been operating in Sichuan for many years, focusing on civil litigation cases, with dozens of senior lawyers. He is good at handling all kinds of civil disputes, and some lawyers have rich experience in defending major cases. However, according to the information provided, Qin Yun Law Firm is not a collection company, but an institution specializing in legal services. Therefore, Qin Yun Law Firm is not a collection company.